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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2010-2014 Freescale Semiconductor, Inc.
* Copyright 2019 NXP
*/
/*
* Based on STMP378X PxP driver
* Copyright 2008-2009 Embedded Alley Solutions, Inc All Rights Reserved.
*/
#ifndef _MXC_PXP_V4L2_H
#define _MXC_PXP_V4L2_H
#include <linux/dmaengine.h>
#include <linux/pxp_dma.h>
struct pxp_buffer {
/* Must be first! */
struct videobuf_buffer vb;
/* One descriptor per scatterlist (per frame) */
struct dma_async_tx_descriptor *txd;
struct scatterlist sg[3];
};
struct dma_mem {
void *vaddr;
dma_addr_t paddr;
size_t size;
};
struct pxps {
struct platform_device *pdev;
spinlock_t lock;
struct mutex mutex;
int users;
struct video_device *vdev;
struct videobuf_queue s0_vbq;
struct pxp_buffer *active;
struct list_head outq;
struct pxp_channel *pxp_channel[1]; /* We need 1 channel */
struct pxp_config_data pxp_conf;
struct dma_mem outbuf;
int output;
/* Current S0 configuration */
struct pxp_data_format *s0_fmt;
struct fb_info *fbi;
struct v4l2_framebuffer fb;
/* Output overlay support */
int overlay_state;
int global_alpha_state;
u8 global_alpha;
int s1_chromakey_state;
u32 s1_chromakey;
int fb_blank;
};
struct pxp_data_format {
char *name;
unsigned int bpp;
u32 fourcc;
enum v4l2_colorspace colorspace;
};
#endif
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